import java.util.Scanner;

public class scannerShow {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int sum = 0;
        int num = 0;
        while(sc.hasNextInt()){
            int tmp = sc.nextInt();
            sum += tmp;
            num++;
        }
        System.out.println("sum = " + sum );
        System.out.println("avg = " + sum / num);
        sc.close();
    }
}
